https://scholars.lib.ntu.edu.tw/handle/123456789/362326
標題: | The effect of C60 on the ZnO-nanorod surface in organicinorganic hybrid photovoltaics | 作者: | Chen, C.-T. Hsu, F.-C. Kuan, S.-W. Chen, Y.-F. YANG-FANG CHEN |
關鍵字: | C60; Hybrid solar cell; Surface modification; ZnO-nanorod | 公開日期: | 2011 | 卷: | 95 | 期: | 2 | 起(迄)頁: | 740-744 | 來源出版物: | Solar Energy Materials and Solar Cells | 摘要: | The electrical property of the organicinorganic heterojunctions is one of the important factors affecting the performance of hybrid photovoltaic devices. We introduce a good electron conductor, C60, to modify the surface of ZnO-nanorod arrays in a ZnO-nanorod/poly(3-hexylthiophene):(6,6)-phenyl C 61 butyric acid methyl ester (ZnO/P3HT:PCBM) hybrid photovoltaic structure. We found that there is ∼40% and ∼15% increment in the short circuit current (JSC) and open circuit voltage (VOC), respectively, for the device after C60 modification. By probing the carrier dynamics and the surface property of ZnO-nanorods, the presence of the C60 layer assists the exciton separation and passivates part of the defect states on the ZnO-nanorod surface. The charge transport property at the ZnO/polymer blend interface is, therefore, improved. As a result, higher charge concentration can transfer from the polymer blend to the ZnO-nanorods more effectively and subsequently travel to electrodes leading to the improved performance in the photovoltaic device. © 2010 Elsevier B.V. All rights reserved. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-78650706704&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/362326 |
DOI: | 10.1016/j.solmat.2010.10.015 | SDG/關鍵字: | Butyric acids; C60; Carrier dynamics; Charge concentration; Charge transport properties; Defect state; Electrical property; Hybrid solar cells; Methyl esters; Nanorod arrays; Nanorod surfaces; Organic-inorganic heterojunctions; Organic-inorganic hybrid; Photovoltaic devices; Photovoltaic structures; Photovoltaics; Surface modification; ZnO; Electric charge; Electric properties; Esters; Fatty acids; Heterojunctions; Open circuit voltage; Photovoltaic effects; Polymer blends; Solar cells; Surface properties; Transport properties; Zinc oxide; Nanorods |
顯示於: | 物理學系 |
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